v3.26.1
Subsequent events (Details) - Working Capital Loan - Entering into significant commitments
¥ in Millions
Aug. 21, 2026
CNY (¥)
Bank of China  
Disclosure of non-adjusting events after reporting period [line items]  
Repayments of borrowings, classified as financing activities ¥ 1,104.5
Borrowings, interest rate 2.40%
China International Trust and Investment Corporation Bank  
Disclosure of non-adjusting events after reporting period [line items]  
Repayments of borrowings, classified as financing activities ¥ 980.0
Borrowings, interest rate 2.40%